''Packera streptanthifolia'' is a species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...

in the aster family known by the common name Rocky Mountain groundsel. It is native to western North America from

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

, where it can be found in mountain habitat including woodlands and rocky slopes. It is a

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

herb In general use, herbs are a widely distributed and widespread group of plants, excluding vegetables and other plants consumed for macronutrients, with savory or aromatic properties that are used for flavoring and garnishing food, for medicinal ...

producing usually one erect stem, sometimes a cluster of a few stems, 10 to 60 centimeters in maximum height. The spatula-shaped basal leaves have oval or lance-shaped blades on long petioles. They are thick, firm, and sometimes somewhat succulent. Leaves higher on the stem are smaller, thinner, and simpler, and may lack petioles. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is a loose array of two or more

flower heads A pseudanthium (Greek for "false flower"; ) is an inflorescence that resembles a flower. The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. Examples of pseudanthia include flower heads, compos ...

with yellow disc florets and usually either 8 or 13 yellow ray florets up to a centimeter long each. It is named for having foliage similar to certain Streptanthus species, usual with a somewhat succulent oval leaf and rounded teeth at the tip.

External links

Jepson Manual Treatment of ''Packera streptanthifolia''USDA Plants Profile for ''Packera streptanthifolia''Flora of North AmericaWashington Burke MuseumUC CalPhotos gallery of ''Packera streptanthifolia''
streptanthifolia Flora of the Western United States Flora of Alaska Flora of California Flora of Colorado Flora of the Rocky Mountains Flora of the Sierra Nevada (United States) Taxa named by Edward Lee Greene Flora without expected TNC conservation status {{Senecioneae-stub